Mark Spencer, a Bay-Area-based editor and motion graphics designer, has been editing with Final Cut Pro since its introduction in 1999 and has been using, writing about, and teaching Motion since its introduction in 2004. He owns Day Street Productions, a production and post studio focused on corporate and industrial video. He creates tutorials for Final Cut Pro X and Motion, and develops plugins for Final Cut Pro X, in conjunction with Ripple Training. He is an Apple Certified Master Trainer in Final Cut Pro and Motion, and is the author or co-author of a half-dozen books on creating motion graphics and visual effects with Motion. Mark holds an MBA in finance from the Wharton School of the University of Pennsylvania.